diff --git a/.github/workflows/code.yml b/.github/workflows/code.yml
index 1fe5c25c..2cce4941 100644
--- a/.github/workflows/code.yml
+++ b/.github/workflows/code.yml
@@ -11,9 +11,9 @@ on:
 jobs:
   code-quality:
     name: "Code quality"
-    uses: technology-studio/github-workflows/.github/workflows/_code-quality.yml@main
+    uses: technology-studio/github-workflows/.github/workflows/_code-quality.yml@45c6d0da456aff0525690d86cac745bc75a96a85 # main
     secrets: inherit
   type-check:
     name: "Type check"
-    uses: technology-studio/github-workflows/.github/workflows/_type-check.yml@main
+    uses: technology-studio/github-workflows/.github/workflows/_type-check.yml@45c6d0da456aff0525690d86cac745bc75a96a85 # main
     secrets: inherit
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index fe2cb233..2661a539 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -13,7 +13,7 @@ permissions:
 jobs:
   semantic-title:
     name: 'Semantic title'
-    uses: technology-studio/github-workflows/.github/workflows/_semantic-title.yml@main
+    uses: technology-studio/github-workflows/.github/workflows/_semantic-title.yml@45c6d0da456aff0525690d86cac745bc75a96a85 # main
     secrets:
       TXO_SLACK_BOT_APP_TOKEN: ${{ secrets.TXO_SLACK_BOT_APP_TOKEN }}
       TXO_SLACK_GITHUB_OPS_CHANNEL_ID: ${{ secrets.TXO_SLACK_GITHUB_OPS_CHANNEL_ID }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 79c85e62..78c34852 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ permissions:
 jobs:
   release:
     name: 'Release'
-    uses: technology-studio/github-workflows/.github/workflows/_release.yml@main
+    uses: technology-studio/github-workflows/.github/workflows/_release.yml@45c6d0da456aff0525690d86cac745bc75a96a85 # main
     secrets:
       SEMANTIC_RELEASE_SLACK_WEBHOOK: ${{ secrets.SEMANTIC_RELEASE_SLACK_WEBHOOK }}
       TXO_SLACK_BOT_APP_TOKEN: ${{ secrets.TXO_SLACK_BOT_APP_TOKEN }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8b8e7e00..3ce1332d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,5 +15,5 @@ permissions:
 jobs:
   unit:
     name: 'Unit test'
-    uses: technology-studio/github-workflows/.github/workflows/_unit-test.yml@main
+    uses: technology-studio/github-workflows/.github/workflows/_unit-test.yml@45c6d0da456aff0525690d86cac745bc75a96a85 # main
     secrets: inherit